Home / 1,419,198.38-2,129,136.54-472,577.30

Finding the Fourth Proportional to 1,419,198.38, 2,129,136.54 and 472,577.30

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Solution

The fourth proportional to 1,419,198.38, 2,129,136.54 and 472,577.30 is: 708,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,198.38 : 2,129,136.54 = 472,577.30 : x
  2. Step 2: Convert to fraction form
    1,419,198.38/2,129,136.54 = 472,577.30/x
  3. Step 3: Cross multiply
    1,419,198.38x = 2,129,136.54 × 472,577.30
  4. Step 4: Simplify right side
    1,419,198.38x = 1,006,181,597,404.54
  5. Step 5: Solve for x
    x = 1,006,181,597,404.54/1,419,198.38
  6. Step 6: Final answer
    x = 708,978.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.